[seqfan] Re: Chewing Chowa's function

D. S. McNeil dsm054 at gmail.com
Sat Feb 9 18:20:39 CET 2013


On Sat, Feb 9, 2013 at 11:41 AM, Eric Angelini <Eric.Angelini at kntv.be> wrote:
>
> Hello SeqFans,
> start with a=48 and make the sum of the nontrivial divisors of a
> (which is Chowa's function); you'll get b=75; iterate and you'll find a
> again. What are the integers entering such loops?

I think this is A057533.


Doug


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